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re PR c++/36655 (unjustified warning for "extern template" when using -pedantic -std=c++0x) 

/cp
2008-06-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/36655
	* pt.c (do_decl_instantiation): In c++0x mode do not warn for
	extern template.

/testsuite
2008-06-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/36655
	* g++.dg/cpp0x/extern_template.C: New.

From-SVN: r137200
This commit is contained in:
Paolo Carlini 2008-06-27 20:45:25 +00:00 committed by Paolo Carlini
parent ca2b131143
commit a7235bfbb1
4 changed files with 17 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2008-06-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/36655
* pt.c (do_decl_instantiation): In c++0x mode do not warn for
extern template.
2008-06-24 Jonathan Wakely <jwakely.gcc@gmail.com>
PR c++/23194

4
gcc/cp/pt.c
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@ -14588,8 +14588,8 @@ do_decl_instantiation (tree decl, tree storage)
;
else if (storage == ridpointers[(int) RID_EXTERN])
{
if (pedantic && !in_system_header)
pedwarn ("ISO C++ forbids the use of %<extern%> on explicit "
if (pedantic && !in_system_header && (cxx_dialect == cxx98))
pedwarn ("ISO C++ 1998 forbids the use of %<extern%> on explicit "
"instantiations");
extern_p = 1;
}

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-06-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/36655
* g++.dg/cpp0x/extern_template.C: New.
2008-06-27 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/gomp/pr27388-3.c: Adjust dg-final.

4
gcc/testsuite/g++.dg/cpp0x/extern_template.C Normal file
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@ -0,0 +1,4 @@
// { dg-options "-std=c++0x -pedantic" }
template <typename> void f() {}
extern template void f<int>();